Finding the Third Proportional to 64,275 and 133,018.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,275 : 133,018.50 = 133,018.50 : x
2. Step 2: Convert to fraction form
   64,275/133,018.50 = 133,018.50/x
3. Step 3: Cross multiply
   64,275x = 133,018.50 × 133,018.50
4. Step 4: Simplify right side
   64,275x = 17,693,921,342.25
5. Step 5: Solve for x
   x = 17,693,921,342.25/64,275
6. Step 6: Final answer
   x = 275,284.66